@misc{AV_1938_7_3_a2,
     title = {Zpr\'avy},
     journal = {Aktu\'arsk\'e v\v{e}dy},
     pages = {122--128},
     year = {1938},
     volume = {7},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/AV_1938_7_3_a2/}
}